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Finding the Fourth Proportional to 15,811.92, 23,717.34 and 7,495.92

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Solution

The fourth proportional to 15,811.92, 23,717.34 and 7,495.92 is: 11,243.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,811.92 : 23,717.34 = 7,495.92 : x
  2. Step 2: Convert to fraction form
    15,811.92/23,717.34 = 7,495.92/x
  3. Step 3: Cross multiply
    15,811.92x = 23,717.34 × 7,495.92
  4. Step 4: Simplify right side
    15,811.92x = 177,783,283.25
  5. Step 5: Solve for x
    x = 177,783,283.25/15,811.92
  6. Step 6: Final answer
    x = 11,243.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.